Function is_hex_digit

common/peg-parser.cpp:30–32

}

static bool is_hex_digit(const char c) {
    return (c >= '0' && c <= '9') || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F');
}

// Trie for matching multiple literals.
// This is used in common_peg_until_parser and to build a GBNF exclusion grammar